1. “Tool Wear by Solution: A Quantitative Understanding,” Trans. ASME;Kramer;Journal of Engineering for Industry,1980
2. “Theoretical Considerations in the Machining of Nickel-Based Alloys;Hartung,1981
3. Hartung, P. D. Tool Wear in Titanium Machining, S.M. Thesis, Department of Mechanical Engineering, M.I.T., June 1981.
4. “The Temperature on a Turning Tool”;Bickel,1963
5. The Handbook of Binary Phase Diagrams;Moffatt,1981